肉叶耳草 Leptopetalum strigulosum

  • Scientific Name: Leptopetalum strigulosum (DC.) Neupane & N.Wikstr.
  • Ref: Taxon 64:317. 2015
  • Synonyms:
    • Hedyotis albidopunctata (Merr.) Fosberg
    • H. coreana H.Lév.
    • H. coreana var. luxurians Hatus.
    • H. rennellensis Fosberg
    • H. sarcophylla Steud.
    • H. strigulosa (DC.) Fosberg
    • H. strigulosa var. coreana (H.Lév.) T.Yamaz.
    • H. strigulosa var. luxurians (Hatus.) T.Yamaz.
    • H. strigulosa var. parvifolia (Hook. & Arn.) T.Yamaz.
    • H. taiwanensis S.F.Huang & J.Murata
    • Leptopetalum strigulosum var. luxurians (Hatus.) Naiki & Ohi-Toma
    • Oldenlandia albidopunctata Merr.
    • O. crassifolia DC.
    • O. strigulosa DC.
    • Thecagonum strigulosum (DC.) Terrell & H.Rob.
  • English Common Name: rough oldenlandia
  • Chinese Common Name: 肉叶耳草 ròuyè ěrcǎo
  • Japanese Common Name: オオソナレムグラ [大磯馴葎] ōsonaremugura
  • Family: Rubiaceae
  • Genus: Leptopetalum
  • Distribution: Sandy or muddy beaches, wastelands, on rocks near sea; sea level to near sea level. Guangdong, Taiwan, Zhejiang [Japan, Korea; Micronesia].
  • Photo: 09/13/2014, Is. Nanji, Zhejiang
Herbs, annual or perennial, prostrate to erect, to 15(-20) cm tall; stems terete or weakly to sharply 4-angled, sometimes sulcate, glabrous. Leaves sessile; blade very fleshy, drying leathery, oblong-obovate, elliptic-oblong, oblanceolate, or spatulate, 1-2.5 × 0.2-1 cm, glabrous, base acute to decurrent, apex rounded, obtuse, or acute; secondary veins indistinct; stipules fused to petiole bases, triangular, 1-2 mm, glabrous, with 2 central longitudinal lines of glandular trichomes or fleshy ornamentation, acute to acuminate. Inflorescences terminal and sometimes in axils of uppermost leaves, 1-flowered or 2-12-flowered and shortly cymose, fasciculate, or paniculate, glabrous, subsessile to pedunculate; peduncles to 1.5 cm; bracts triangular, 0.1-2 mm; pedicels 1-12 mm. Flowers pedicellate. Calyx glabrous; hypanthium portion turbinate to ellipsoid, 1-1.5 mm; limb lobed for 1/2-2/3; lobes triangular to lanceolate, 0.8-2 mm. Corolla white, tubular, glabrous outside; tube 1.2-1.5 mm, barbate in throat; lobes triangular to oblanceolate, 1.2-2 mm. Anthers not seen. Stigmas ca. 0.8 mm, exserted. Fruit capsular, subglobose, hemispherical, or compressed turbinate, 3.5-5 mm, glabrous, loculicidal across top, sometimes with rudimentary beak; seeds numerous, blackish brown, subglobose to angled, foveolate. Fl. and fr. Dec-Apr. (Flora of China)

09/13/2014, Is. Nanji, Zhejiang

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